Image data processing apparatus

Details Image data processing apparatus Image data processing apparatus

1997-07-28

2000-06-06

Mancuso, Joseph

Image analysis

Image compression or coding

Gray level to binary coding

358429, 358456, G06K 936

Patent

active

060729066

ABSTRACT:
An image data processing apparatus comprises output means for outputting an image data for each pixel and compression means for compressing the image data supplied from the output means to an image data of a predetermined number of bits. The compression means compresses the image data in accordance with a dot pattern having a predetermined number of tone levels.

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patent: 4496989 (1985-01-01), Hirosawa
patent: 4566127 (1986-01-01), Sekiya et al.
patent: 4628366 (1986-12-01), Yamada
patent: 4665555 (1987-05-01), Alker et al.
patent: 4672679 (1987-06-01), Freeman
patent: 4727589 (1988-02-01), Hirose et al.
patent: 5038389 (1991-08-01), Nizuno

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